package com.example.javalib.ob;

public class Student {
    private String name;

    public Student(String name) {
        this.name = name;
    }
    public Student(){}

    public static void main(String[] args) {
        Student s1 = new Student("xiaoming");
        System.out.println("000"+s1.name);
        s1=new Student();
        System.out.println("111"+s1.name);
    }
}
